“Why is it that when one man builds a wall, the next man immediately needs to know what's on the other side?”
“Millions saw the apple fall, but Newton asked why.”
“A sense of curiosity is nature's original school of education.”
"There are no foolish questions, and no man becomes a fool until he has stopped asking questions."
"Only the curious have something to find."
“I don't know what is behind the curtain; only that I need to find out.”
“You are not a human being if you don't have a curiosity.”
“Judge a man by his questions rather than by his answers”